| abstract |
1491072 Carboxymethyl ester salts TEXACO DEVELOPMENT CORP 9 Jan 1975 [28 Jan 1974] 1016/75 Heading C2C [Also in Division C5] Sodium carboxymethyl maleate is prepared by reacting maleic anhydride with sodium glycollate. Sodium carboxymethyl succinate, sodium carboxymethyl phthalate, sodium carboxymethyl tetrahydrophthalate, and sodium hexahydrophthalate are also prepared similarly. Sodium sulphoethyl maleate is prepared by reacting maleic anhydride with sodium isethionate. |